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Golf Digest Hot List Players Iron

Diamond Muscle

The MP-63 iron is an evolution of Mizuno's most popular tour iron, the MP-62

MP-63 360 grind

MP-63 360 grind

The design goal of the MP-63 was to take the profile attributes of the Grain Flow Forged MP-62 (head size, top line, offset, sole width) so prolific on the world's tours and create an improvement in both feel and versatility.

Mizuno studied vibration simulations of the head and experimented with several methods of affecting the sound and feel at impact (Harmonic Impact Technology). Numerous new concepts were then blind tested by Mizuno's tour team (including the MP-62's inspiration Luke Donald) and the Diamond Muscle Design, which reinforces the head from heel to toe, was the unanimous winner.

MP-63 Diamond Muscle

MP-63 Diamond Muscle

The sole of the MP-63 includes the visible 360° grind on the trailing edge for precise turf interaction that delivers complete shot versatility. Mizuno's first ever reverse flow within the set, means the 63's longer irons are larger than the very compact short irons - ensuring a new balance of forgiveness and precision.

The MP-63 is Grain Flow Forged at Mizuno's exclusive Hiroshima facility for exceptional feel and distance control.

Equipment Care

Grain Flow Forged

Grain Flow Forged

Heads forged from a single 1025E Pure Select mild carbon steel billet for pure feel.

» Read about Grain Flow Forging


  3 iron 4 iron 5 iron 6 iron 7 iron 8 iron 9 iron PW
Loft 21 24 27 30 34 38 42 46
Lie 59.5 60 60.5 61 61.5 62 62.5 63
Length 38.75" 38.25" 37.75" 37.25" 36.75" 36.25" 35.75" 35.5"
Men's Right Hand only
Lofts:
Can be adjusted + - 2 deg
Lie angle: Can be adjusted + - 3 deg, up to 1/2" long. For longer than 1/2", can be adjusted + 4 - 3 deg.
 

Shafts

Steel Standard Shafts

Dynamic Gold: R300, S300

Dynamic Gold: R300, S300

Custom Shafts

» See Shaft Specifications

Handicap Guide

Suitable for Low Handicap

 

"Essentially this is everything that was great about the MP-62"

"Essentially this is everything that was great about the MP-62 - with even more care taken to finely tune its feedback. Our Modal Analysis told us that the Diamond Muscle would make a difference to the rigidity and vibration of the head - but to hear that confirmed by the same tour players that created its predecessor was very re-assuring"

Chris Voshall, R&D

Tech Spec

Diamond Muscle Design:

Created using Harmonic Impact Technology for enhanced feel and ball control.

Grain Flow Forged:

Heads forged from a single 1025E Pure Select mild carbon steel billet for pure feel.

360° Grind:

Thinner effective top line and clean turf interaction 360° grind for thinner top line and ideal turf interaction and shot making versatility.

Reverse Set Flow:

Long irons larger than short irons to balance forgiveness and precision.

Modified U-grooves:

Ideal spin rates within 2010 Condition of Competition rule.

Black Ni or Mirror Chrome:

High polish mirror chrome or limited edition, softer Black Ni finish.

Where to Buy Demo Days
 

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